The work of experimental architecture is called the SOL Grotto — and Republicans are making fun of it as a symbol of a $528 million federal boondoggle, calling it the most expensive art project ever built.

From the House report on Solyndra, an email from the deputy director of special projects in then-chief of staff Rahm Emanuel's office, indicating he wanted the president involved in the Solyndra project.

On pool duty tonight at President Obama's tonight in California, POLITICO's Darren Samuelsohn -- a veteran of the energy beat -- spots two personalities from the Solyndra/green-energy loan guarantee saga.